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Individual Calculations April 2009 |
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| Harizanova, Marina Total change: -10.25 | |   |
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| 58th Bulgarian Women Championship Semi-final | Plovdiv | BUL | 2009-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1679 | 1.00 | 4 | -0.47 | 25 | -11.75 | |
|  Sirkova, Darena | | | 1942 | BUL | 0.00 | 1 | -0.18 | 25 | -4.50 | |  Vasileva, Cveta | | | 1494 | BUL | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Gradevska, Desislava | | | 1721 | BUL | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Vladimirova, Maria | | | 2029 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 31st Bulgarian Open Chmpionship - Georgi Tringov Memorial 01.02.2009-07.02.2009 | Plovdiv | BUL | 2009-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 1679 | 0.50 | 4 | 0.06 | 25 | 1.50 | |
| | Rusev, Krasimir | g | | 2029 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Petkov, Hristo | | | 2029 | BUL | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Yordanova, Svetla | | wm | 2029 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Skoulakis, Charalambos | | | 2029 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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